Journal
ELECTROCHEMISTRY COMMUNICATIONS
Volume 11, Issue 6, Pages 1203-1206Publisher
ELSEVIER SCIENCE INC
DOI: 10.1016/j.elecom.2009.04.003
Keywords
Templates; AAO; Copper; Electrodeposition; Nanotubes; Additives
Categories
Funding
- National Development Plan
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Anodised aluminium oxide (AAO) templates have been utilised to investigate Cu deposition from a typical sulphate plating bath. The influence of the common additives poly ethylene glycol (PEG), chloride ion (Cl-) and Bis-(sodium sulphopropyl)-disulphide (SPS) on the deposition process has been analysed. The growth of Cu wires or nanotubes (with tube walls of 40-70 nm) is significantly influenced by the action of the additives. In the presence of either Cl- or SPS solid wire growth is observed, however, when PEG is added with Cl- the growth of ordered Cu nanotubes is observed. SPS added to a bath containing Cl- and PEG restores the growth of wires. (C) 2009 Elsevier B.V. All rights reserved.
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